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Dataset results
21 results for “Drosophila sechellia”
Adult Wing images from Drosophila sechellia and D. simulans
<p>These are images of adult wings from two <em>Drosophila</em> species that were dissected by Christian Marier (in the Dworkin lab) and imaged by Ian Dworkin in 2015. Strains were provided by the Wittkopp lab at the University of Michigan. Flies were reared in the Wittkopp lab by Richard Lusk. Adults were stored in 70% ethanol prior to dissection and mounting in 70% glycerol.</p> <p>All images were taken on an Olympus BX-51 microscope on a 4X objective (40X total magnification) and captured with a DP30BW digital camera using Olympus DP controller (V.3,1,1208) software. All images were collected for geometric morphometric analysis.</p> <p>Dsim = <em>Drosophila simulans</em></p> <p>Dsech = <em>Drosophila sechellia</em></p> <p>f VS M is for male and female.</p>
DsecF Drosophila sechellia Female Template Brain
<p>An nc82-stained averaged brain constructed from 26 female D. sechellia brains. Voxel size: (0.461, 0.461, 1) microns</p>
DsecM Drosophila sechellia Male Template Brain
<p>An nc82-stained averaged brain constructed from 21 male D. sechellia brains. Voxel size: (0.461, 0.461, 1) microns</p>
Data from: Hybridization occurs between Drosophila simulans and D. sechellia in the Seychelles archipelago
Drosophila simulans and D. sechellia are sister species that serve as a model to study the evolution of reproductive isolation. While D. simulans is a human commensal that has spread all over the world, D. sechellia is restricted to the Seychelles archipelago and is found to breed exclusively on the toxic fruit of Morinda citrifolia. We surveyed the relative frequency of males from these two species in a variety of substrates found on five islands of the Seychelles archipelago. We sampled different fruits and found that putative D. simulans can be found in a variety of substrates, including, surprisingly, M. citrifolia. Putative D. sechellia was found preferentially on M. citrifolia fruits, but a small proportion was found in other substrates. Our survey also shows the existence of putative hybrid males in areas where D. simulans is present in Seychelles. The results from this field survey support the hypothesis of current interbreeding between these species in the central islands of Seychelles and open the possibility for fine measurements of admixture between these two Drosophila species to be made.
Data from: Hybridization occurs between Drosophila simulans and D. sechellia in the Seychelles archipelago
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Data from: Analysis of cytochrome P450 contribution to evolved plant toxin resistance in Drosophila sechellia
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Data from: Genetic basis of octanoic acid resistance in Drosophila sechellia: functional analysis of a fine-mapped region
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Data from: The genetic basis of behavioral isolation between Drosophila mauritiana and D. sechellia
Understanding how species form is a fundamental question in evolutionary biology. Identifying the genetic bases of barriers that prevent gene flow between species provides insight into how speciation occurs. Here I analyze a poorly understood reproductive isolating barrier, prezygotic reproductive isolation. I perform a genetic analysis of prezygotic isolation between two closely related species of Drosophila, D. mauritiana and D. sechellia. I first confirm the existence of strong behavioral isolation between D. mauritiana females and D. sechellia males. Next, I examine the genetic basis of behavioral isolation by i) scanning an existing set of introgression lines for chromosomal regions that have a large effect on isolation; and ii) mapping quantitative trait loci (QTL) that underlie behavioral isolation via backcross analysis. In particular, I map QTL that determine whether a hybrid backcross female and a D. sechellia male will mate. I identify a single significant QTL, on the X chromosome, suggesting that few major-effect loci contribute to behavioral isolation between these species. In further work, I refine the map position of the QTL to a small region of the X chromosome.
Data from: The genetic basis of behavioral isolation between Drosophila mauritiana and D. sechellia
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Data from: A locus in Drosophila sechellia affecting tolerance of a host plant toxin
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Investigating the role of Osiris genes in Drosophila sechellia larval resistance to a host plant toxin
GEO Series GSE123186. Drosophila sechellia. 6 samples. Type: Expression profiling by high throughput sequencing.
Genomics analysis of L-DOPA exposure in Drosophila sechellia
GEO Series GSE138119. Drosophila melanogaster; Drosophila sechellia; Drosophila simulans. 18 samples. Type: Expression profiling by high throughput sequencing.
Cis regulatory effects on A-to-I RNA editing in Drosophila melanogaster, Drosophila sechellia and their F1 hybrids
GEO Series GSE67236. Drosophila melanogaster x Drosophila sechellia; Drosophila sechellia; Drosophila melanogaster. 12 samples. Type: Other.
Genomics analysis of Drosophila sechellia response to Morinda citrifolia fruit diet
GEO Series GSE205467. Drosophila sechellia. 6 samples. Type: Expression profiling by high throughput sequencing.
Transcriptomic analysis of octanoic acid response in Drosophila sechellia using RNA-sequencing
GEO Series GSE104422. Drosophila sechellia. 6 samples. Type: Expression profiling by high throughput sequencing.
Expression divergence of chemosensory genes between Drosophila sechellia and its sibling species and its implications for host shift [Dsec JP]
GEO Series GSE67861. Drosophila sechellia. 6 samples. Type: Expression profiling by high throughput sequencing.
Developmental time-course study of Drosophila melanogaster, D. sechellia, D. simulans, and D. sim x D.s sec hybrids
GEO Series GSE17535. Drosophila melanogaster; Drosophila sechellia; Drosophila simulans; Drosophila sechellia x Drosophila simulans. 48 samples. Type: Expression profiling by array.
Expression divergence of chemosensory genes between Drosophila sechellia and its sibling species and its implications for host shift [Dsim JP]
GEO Series GSE67862. Drosophila simulans. 6 samples. Type: Expression profiling by high throughput sequencing.
Expression divergence of chemosensory genes between Drosophila sechellia and its sibling species and its implications for host shift [Dsec TW]
GEO Series GSE67587. Drosophila sechellia. 6 samples. Type: Expression profiling by high throughput sequencing.
Indel array-based genotyping of pupariation site preference among Drosophila sechellia backcross progeny
GEO Series GSE44443. Drosophila simulans; Drosophila sechellia x Drosophila simulans; Drosophila melanogaster; Drosophila sechellia. 132 samples. Type: Genome variation profiling by genome tiling array.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.